package com.xds.springcloud.service.impl;

import com.xds.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;


import javax.annotation.Resource;
import java.util.UUID;

/**
 * @Author Bai Xu
 * @Date 2021/10/9 13:28
 * @Version 1.0
 */
@EnableBinding(Source.class)//定义消息的推送管道
public class IMessageProviderImpl  implements IMessageProvider {
    @Resource
    private MessageChannel output;//消息发送管道
    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("*********serial:"+serial);
        return serial;
    }
}
